The specific emplacement of an agent or operative in an environment or situation in which the agent's true role is unknown with the purpose of developing information to be used later in a criminal investigation is known as:
It is becoming increasingly more difficult to do a good preemployment background investigation because of:
Which of the following is an advantage of having investigation conducted by in-house security staff?
The most widely recognized and best-known instrument designed to detect deception is:
The most important factor in the use of a polygraph is:
Which of the following is not a legitimate purpose of an investigation for employee misconduct?